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Trigonometry Common Core 4.MD.C.5 resources

Preview of Sundials - Learning about and making them

Sundials - Learning about and making them

The sundial is probably the oldest scientific instrument know to man, it dates back to early Egypt around 1500 B.C. In addition to its use by the Egyptians it was also used in ancient Greece and Rome. In Europe the sundial was the most commonly used method to determine the time, even after the mechanical clock was developed in the 14th century. In Europe sundial was actually used to check and adjust the time on mechanical clocks until late into the 19th century.Today sundials are mostly used as
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